【摘要】 报道了碘代正丁烷分子在532um激光作用下的多光子电离（MPI）质谱（MS）研究结果．（1）碎片离子主要由离子离解阶梯模式产生；波长不仅影响碘代正丁烷分子碎片离子产生模式，同时还影响其碎片离子的碎裂程度．（2）激光强度一般只影响分子离子及碎片离子的碎裂程度．（3）分析了碎片离子产生的主要途径，并且观察到了C3H+7离子，这说明理论推测的过程n－C4H9I→C3H+7+CH2I是存在的．更多还原

【Abstract】 The study of multiphoton ionization mass spectrum of n-C4H9L by 532 nm laser was reported. (1) Most of ion fragements are produced by ion-fragement dissociation staircase; The laser wavelength has effects not only on the fragement modes of ions but on the fragement degree of ion fragements. (2)The laser intensity only affects the fragement degree of molecule ion and ion fragements. (3) The main channels about production of ions are analyzed; The appearance of C3H+7 testify the process of n-C4H9L→C3H+7+CH2I.更多还原